Some Standard model problems and possible solutions

被引：0
|
作者：
Barranco, J. [1 ]
机构：
[1] Univ Guanajuato, Dept Fis, Div Ciencias & Ingn, Campus Leon, Leon 37150, Mexico
来源：
30TH ANNUAL MEETING OF THE DIVISION OF PARTICLES AND FIELDS (DPYC) OF THE MEXICAN PHYSICAL SOCIETY / XV MEXICAN WORKSHOP ON PARTICLES AND FIELDS (MWPF) | 2016年 / 761卷
关键词：
MAJORANA; DIRAC;
D O I：
10.1088/1742-6596/761/1/012007
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
Three problems of the standard model of elementary particles are studied from a phenomenological approach. (i) It is shown that the Dirac or the Majorana nature of the neutrino can be studied by looking for differences in the nu-electron scattering if the polarization of the neutrino is considered. (ii) The absolute scale of the neutrino mass can be set if a four zero mass matrix texture is considered for the leptons. It is found that m(nu 3) similar to 0.05 eV. (iii) It is shown that it is possible-within a certain class of two Higgs model extensions of the standard model-to have a cancelation of the quadratic divergences to the mass of physical Higgs boson.
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